Package org.xbill.DNS

Class NSECRecord

java.lang.Object

org.xbill.DNS.Record

org.xbill.DNS.NSECRecord

All Implemented Interfaces:

Serializable, Cloneable, Comparable<Record>

public class NSECRecord
extends Record

Next SECure name - this record contains the following name in an ordered list of names in the zone, and a set of types for which records exist for this name. The presence of this record in a response signifies a negative response from a DNSSEC-signed zone.

This replaces the NXT record.

Author:

Brian Wellington, David Blacka

See Also:

• RFC 4034: Resource Records for the DNS Security Extensions
• Serialized Form

Field Summary

Fields inherited from class org.xbill.DNS.Record

dclass, name, ttl, type

Constructor Summary

Constructors

Constructor	Description
NSECRecord(Name name, int dclass, long ttl, Name next, int[] types)	Creates an NSEC Record from the given data.

Method Summary

Modifier and Type	Method	Description
Name	getNext()	Returns the next name
int[]	getTypes()	Returns the set of types defined for this name
boolean	hasType(int type)	Returns whether a specific type is in the set of types.
protected void	rdataFromString(Tokenizer st, Name origin)	Converts the text format of an RR to the internal format - must be overriden
protected void	rrFromWire(DNSInput in)	Converts the type-specific RR to wire format - must be overridden
protected String	rrToString()	Converts rdata to a String
protected void	rrToWire(DNSOutput out, Compression c, boolean canonical)	Converts the type-specific RR to wire format - must be overridden.

Methods inherited from class org.xbill.DNS.Record

byteArrayFromString, byteArrayToString, compareTo, equals, fromString, fromString, fromWire, getAdditionalName, getDClass, getName, getRRsetType, getTTL, getType, hashCode, newRecord, newRecord, newRecord, newRecord, rdataToString, rdataToWireCanonical, sameRRset, sameRRset, toString, toWire, toWireCanonical, unknownToString, withName

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

NSECRecord

public NSECRecord(Name name,
 int dclass,
 long ttl,
 Name next,
 int[] types)

Creates an NSEC Record from the given data.

Parameters:

next - The following name in an ordered list of the zone

types - An array containing the types present.

Method Details

rrFromWire

protected void rrFromWire(DNSInput in)
                   throws IOException

Description copied from class: Record

Converts the type-specific RR to wire format - must be overridden

Specified by:

rrFromWire in class Record

Throws:

IOException

rrToWire

protected void rrToWire(DNSOutput out,
 Compression c,
 boolean canonical)

Description copied from class: Record

Converts the type-specific RR to wire format - must be overridden.

Specified by:

rrToWire in class Record

rdataFromString

protected void rdataFromString(Tokenizer st,
 Name origin)
                        throws IOException

Description copied from class: Record

Converts the text format of an RR to the internal format - must be overriden

Specified by:

rdataFromString in class Record

Throws:

IOException

rrToString

protected String rrToString()

Converts rdata to a String

Specified by:

rrToString in class Record

getNext

public Name getNext()

Returns the next name

getTypes

public int[] getTypes()

Returns the set of types defined for this name

hasType

public boolean hasType(int type)

Returns whether a specific type is in the set of types.